PhysicsSolving Stephen Hawking’s black hole paradox has raised new mysteries Physicists finally know whether black holes destroy the information contained in infalling matter. The problem is that the answer hasn’t lit the way to a new understanding of space-time Features
PhysicsLight has been seen leaving an atom cloud before it entered Particles of light can spend "negative time" passing through a cloud of extremely cold atoms – without breaking the laws of physics ¿ìè¶ÌÊÓÆµ